Examine source code of A lightweight library

{
  "manifest_version": 2,
  "name": "PromptCraft Library",
  "version": "1.0.0",
  "description": "A lightweight library extension to save and reuse text prompts. Store, search, and insert prompts quickly.",
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "icons": {},
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "PromptCraft Library",
    "default_popup": "popup.html"
  },
  "applications": {
    "gecko": {
      "id": "promptcraft-library@example",
      "strict_min_version": "60.0"
    }
  }
}